Home / 760,713.50-1,049,817.44-421,181.75

Finding the Fourth Proportional to 760,713.50, 1,049,817.44 and 421,181.75

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Solution

The fourth proportional to 760,713.50, 1,049,817.44 and 421,181.75 is: 581,248.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,713.50 : 1,049,817.44 = 421,181.75 : x
  2. Step 2: Convert to fraction form
    760,713.50/1,049,817.44 = 421,181.75/x
  3. Step 3: Cross multiply
    760,713.50x = 1,049,817.44 × 421,181.75
  4. Step 4: Simplify right side
    760,713.50x = 442,163,946,559.72
  5. Step 5: Solve for x
    x = 442,163,946,559.72/760,713.50
  6. Step 6: Final answer
    x = 581,248.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.